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<h1>iisum</h1><p><span class="helptopic">Sum of integral image</span></p><p>
<strong>s</strong> = <span style="color:red">iisum</span>(<strong>ii</strong>, <strong>u1</strong>, <strong>v1</strong>, <strong>u2</strong>, <strong>v2</strong>) is the sum of pixels in the rectangular image
region defined by its top-left (<strong>u1</strong>,<strong>v1</strong>) and bottom-right (<strong>u2</strong>,<strong>v2</strong>).  <strong>ii</strong> is
a precomputed integral image.

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<h2>See also</h2>
<p>
<a href="matlab:doc intgimage">intgimage</a></p>
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